简算题1、0.2+5/1*7/3+7/4*20%2、【1-(4/1+8/3)】/3/13、3/5*8/3+9/4*0.3
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简算题
1、0.2+5/1*7/3+7/4*20%
2、【1-(4/1+8/3)】/3/1
3、3/5*8/3+9/4*0.375
4、50/1+(1-5/2)/20/3
先答先采
1、0.2+5/1*7/3+7/4*20%
2、【1-(4/1+8/3)】/3/1
3、3/5*8/3+9/4*0.375
4、50/1+(1-5/2)/20/3
先答先采
![简算题1、0.2+5/1*7/3+7/4*20%2、【1-(4/1+8/3)】/3/13、3/5*8/3+9/4*0.3](/uploads/image/z/891811-19-1.jpg?t=%E7%AE%80%E7%AE%97%E9%A2%981%E3%80%810.2%2B5%2F1%2A7%2F3%2B7%2F4%2A20%252%E3%80%81%E3%80%901-%EF%BC%884%2F1%2B8%2F3%EF%BC%89%E3%80%91%2F3%2F13%E3%80%813%2F5%2A8%2F3%2B9%2F4%2A0.3)
0.2+5/1*7/3+7/4*20%
=0.2+5/1*(7/3+7/4)
=0.2+5/1
=0.4
【1-(4/1+8/3)】/3/1
=(1-4/1-8/3)*3
=(4/3-8/3)*3
=8/3*3
=9/8
3/5*8/3+9/4*0.375
=(3/5+9/4)*8/3
=9/19*8/3
=24/19
50/1+(1-5/2)/20/3
=50/1+5/3*3/20
=50/1+4
=4.02
=0.2+5/1*(7/3+7/4)
=0.2+5/1
=0.4
【1-(4/1+8/3)】/3/1
=(1-4/1-8/3)*3
=(4/3-8/3)*3
=8/3*3
=9/8
3/5*8/3+9/4*0.375
=(3/5+9/4)*8/3
=9/19*8/3
=24/19
50/1+(1-5/2)/20/3
=50/1+5/3*3/20
=50/1+4
=4.02
简算题1、0.2+5/1*7/3+7/4*20%2、【1-(4/1+8/3)】/3/13、3/5*8/3+9/4*0.3
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